|
public GetRealOpenConnection ( IBM.Data.DB2.DB2Connection connection ) : |
||
| connection | IBM.Data.DB2.DB2Connection | |
| 리턴 | ||
unsafe public void Open()
{
if (disposed)
{
throw new ObjectDisposedException("DB2Connection");
}
if (this.State == ConnectionState.Open || this.State == ConnectionState.Connecting || this.State == ConnectionState.Executing || this.State == ConnectionState.Fetching)
{
throw new InvalidOperationException("Connection already open");
}
try
{
openConnection = connectionSettings.GetRealOpenConnection(this);
}
catch (DB2Exception)
{
Close();
throw;
}
}
//private void InternalOpen()
//{
// try
// {
// DB2Constants.RetCode sqlRet = (DB2Constants.RetCode)DB2CLIWrapper.SQLAllocHandle(DB2Constants.SQL_HANDLE_DBC, DB2Environment.Instance.PenvHandle, out dbHandle);
// DB2ClientUtils.DB2CheckReturn(sqlRet, DB2Constants.SQL_HANDLE_DBC, DB2Environment.Instance.PenvHandle, "Unable to allocate database handle in DB2Connection.", this);
// StringBuilder outConnectStr = new StringBuilder(DB2Constants.SQL_MAX_OPTION_STRING_LENGTH);
// short numOutCharsReturned;
// sqlRet = (DB2Constants.RetCode)DB2CLIWrapper.SQLDriverConnect(dbHandle, IntPtr.Zero,
// connectionString, DB2Constants.SQL_NTS,
// outConnectStr, DB2Constants.SQL_MAX_OPTION_STRING_LENGTH, out numOutCharsReturned,
// DB2Constants.SQL_DRIVER_NOPROMPT);
// DB2ClientUtils.DB2CheckReturn(sqlRet, DB2Constants.SQL_HANDLE_DBC, dbHandle, "Unable to connect to the database.", this);
// databaseProductName = SQLGetInfo(dbHandle, DB2Constants.SQL_DBMS_NAME);
// databaseVersion = SQLGetInfo(dbHandle, DB2Constants.SQL_DBMS_VER);
// /* Set the attribute SQL_ATTR_XML_DECLARATION to skip the XML declaration from XML Data */
// sqlRet = (DB2Constants.RetCode)DB2CLIWrapper.SQLSetConnectAttr(dbHandle, DB2Constants.SQL_ATTR_XML_DECLARATION, new IntPtr(DB2Constants.SQL_XML_DECLARATION_NONE), DB2Constants.SQL_NTS);
// DB2ClientUtils.DB2CheckReturn(sqlRet, DB2Constants.SQL_HANDLE_DBC, dbHandle, "Unable to set SQL_ATTR_XML_DECLARATION", this);
// nativeOpenPerformed = true;
// }
// catch
// {
// if (dbHandle != IntPtr.Zero)
// {
// DB2CLIWrapper.SQLFreeHandle(DB2Constants.SQL_HANDLE_DBC, dbHandle);
// dbHandle = IntPtr.Zero;
// }
// throw;
// }
//}
public override void Open()
{
if (disposed)
{
throw new ObjectDisposedException("DB2Connection");
}
if (this.State == ConnectionState.Open)
{
throw new InvalidOperationException("Connection already open");
}
try
{
//InternalOpen();
openConnection = connectionSettings.GetRealOpenConnection(this);
}
catch (DB2Exception)
{
Close();
throw;
}
}
